Tag Archives: CALayer

SMSquashView

Posted on July 2, 2013 by Joel Kin

Why Now? Why Me? Lately we’ve been hearing a lot about adding personality and interest to apps with subtle animation, rather than with complex textures. As an animation guy from old times*, I couldn’t be happier about this new focus … Continue reading →

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SMShadowedLayer

Posted on March 16, 2012 by Joel Kin

Impetus For a recent project, we needed to “simulate” or “fake” the look of pieces of paper in a physical environment. We didn’t need fancy physical modeling or curves and curls and folds, just perspective and shadowing during an animation. … Continue reading →

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Mistakes Were Made: Integral Bounds

Posted on October 5, 2011 by Joel Kin

Here’s another mistake from the day job. (Why do they pay us? Because we do eventually find and correct our errors?) “Misaligned” CATextLayers As you may know, the Core Animation instrument has a flag to “Color Misaligned Images“. This is … Continue reading →

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CALayer Internals: Contents

Posted on August 29, 2011 by Joel Kin

It’s right there in the CALayer documentation: contents An object that provides the contents of the layer. Animatable. @property(retain) id contents Discussion A layer can set this property to a CGImageRef to display the image as its contents. The default value is nil. There’s … Continue reading →

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CALayer’s Parallel Universe

Posted on August 24, 2011 by Joel Kin

Ever tried to animate a UIView’s position?  It’s easy, using UIView animation class methods like animateWithDuration:animations: and friends.  Simply change the position inside the “animations” block, et voila, a pretty animation with the duration of your choice. But have you … Continue reading →

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